Yes. All must be purchased and installed into your computer/laptop.
Not to all computers
No, Java is a completely safe program from Oracle Software. Plus, Java comes preloaded on all computers, so therefore it is safe.
Yes, but all home computers can get viruses.
a computer virus is a program built by someone that they either attach to a link or send to you directly, and it is made to either crash your computer or infect your hardrive so you cannot do anything. the worst of them all is Spyware, a virus that attacks your computers defense systems, knocks it out, then infects all files that are able to take it off.
All Computer program's get virus if they are not scanned and maintained using Anti-virus software's.
Yes
on some computers, yes. However with ALL OPERATING SYSTEMS you are not advised to download ANY club penguin program, as you are violating club penguins rules and may get a lifetime BAN.
Although every file or program has a digital origin that can be traced back, some virus creators encrypt their program and make an "armored virus" so that it will be harder to trace the creator back to their point of origin. Some hackers also use "zombie" viruses to create a botnet. A botnet is a network of two or more "zombified" computers that are under the control of the hacker without the user's knowledge. Since there could be dozens of computers comprising a botnet, this makes it very difficult to trace the hacker because you would first have to trace back all of the zombified computers.
There are several ways to get rid of the Trojan Horse virus. You can manually find the infected program and delete it or you can download a anti virus program which will do it for you. There is not a "best" Trojan Horse remover as they all work the same in trying to get rid of the virus. Some brands include Nortan Antivirus, McAfee,etc.
Because Americans programmed the computers. The british programmers didn't mind copy-and-pasting the program for british computers.
The best way to get rid of a virus on your computer is to use malware bytes, and after that scan your system with a good anti-virus program like Avast. See the links below for more information.
Microsoft Excel was the software that effected by the virus. The virus is stored in a hidden datasheet, and effected all the files saved and accessed.